Run results for: Array push vs spread operators

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

Spread

1.4M/s

Push

1000K/s

View exact numbers

Test name	Executions per second
✓ Spread	1,440,869 Ops/sec
Push	999,606 Ops/sec

Tests:

Push
let first = Array.from({ length: 100 }, (_, i) => i); let second = Array.from({ length: 100 }, (_, i) => i); let all = first.push(...second)
Spread
let first = Array.from({ length: 100 }, (_, i) => i); let second = Array.from({ length: 100 }, (_, i) => i); let all = [...first, ...second]